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Request for Machinist in San Diego and possible valve issue? 700 1992

posted by  Klaus Ultima on  Sun Nov 24 22:20 CST 2013
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last visit: Wed Jun 18 15:19 CST 2014
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I'm hoping to find a machinist referral to a shop that is experienced with Volvo's in the San Diego/Southern California area.

While beginning an exhaust system replacement I sheared a manifold stud. The stud that sheared was at the #4 cylinder exhaust port.

The two links, which I hope are formatted properly, show the head and the cylinder. It is clear that the environment in the #4 cylinder is different then the other 3 cylinders.

In addition to a referral of a machinist that not only can extract the sheared stud but also has the ability to replace valves if needed, I'm looking for input into what might be happening.




Thank you for your input!








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    Request for Machinist in San Diego and possible valve issue? 700 1992

    posted by  Volvo From Heck on  Tue Nov 26 09:10 CST 2013
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    last visit: Mon Oct 13 20:56 CST 2014
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    When loading photos (which is more than I know how to do)you should reduce the size of the files first.
    You are correct that it looks like #4 combustion chamber is burning differently than the others. The heavy white deposits are baked on oil -- maybe a ring problem - or valve guide/seal. The others look perfectly normal.
    The broken stud in that area probably is not related to that condition - just the luck (or unluck) of the draw. Any competent machine shop should be able to remove the broken stud and install a heli-coil if necessary. -- Dave








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      Request for Machinist in San Diego and possible valve issue? 700 1992

      posted by  Blindboy on  Tue Nov 26 11:03 CST 2013
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      last visit: Tue Oct 21 17:56 CST 2014
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      the head is warped,,,you need a machine shop to mill it,,any place knows how to do it.








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        Request for Machinist in San Diego and possible valve issue? 700 1992

        posted by  turbo+ on  Tue Nov 26 14:54 CST 2013
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        last visit: Wed Oct 15 23:09 CST 2014
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        i got my head machined when the head gasket blew. I got a recommendation down at Santa Fe Street, near Balboa / I-5 intersection. They were pretty inexpensive.
        Kenyon Machine at 5002 Santa Fe Street - behind Dr. Chip Computer Repair

        Good Luck! I also had a bold sheard off inside the head.






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